{"action":"created","issue":{"url":"https://api.github.com/repos/pravega/pravega/issues/1091","repository_url":"https://api.github.com/repos/pravega/pravega","labels_url":"https://api.github.com/repos/pravega/pravega/issues/1091/labels{/name}","comments_url":"https://api.github.com/repos/pravega/pravega/issues/1091/comments","events_url":"https://api.github.com/repos/pravega/pravega/issues/1091/events","html_url":"https://github.com/pravega/pravega/issues/1091","id":223340947,"number":1091,"title":"Segment Container takes time to start","user":{"login":"skrishnappa","id":8134060,"avatar_url":"https://avatars1.githubusercontent.com/u/8134060?v=3","gravatar_id":"","url":"https://api.github.com/users/skrishnappa","html_url":"https://github.com/skrishnappa","followers_url":"https://api.github.com/users/skrishnappa/followers","following_url":"https://api.github.com/users/skrishnappa/following{/other_user}","gists_url":"https://api.github.com/users/skrishnappa/gists{/gist_id}","starred_url":"https://api.github.com/users/skrishnappa/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/skrishnappa/subscriptions","organizations_url":"https://api.github.com/users/skrishnappa/orgs","repos_url":"https://api.github.com/users/skrishnappa/repos","events_url":"https://api.github.com/users/skrishnappa/events{/privacy}","received_events_url":"https://api.github.com/users/skrishnappa/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":{"login":"andreipaduroiu","id":14354377,"avatar_url":"https://avatars1.githubusercontent.com/u/14354377?v=3","gravatar_id":"","url":"https://api.github.com/users/andreipaduroiu","html_url":"https://github.com/andreipaduroiu","followers_url":"https://api.github.com/users/andreipaduroiu/followers","following_url":"https://api.github.com/users/andreipaduroiu/following{/other_user}","gists_url":"https://api.github.com/users/andreipaduroiu/gists{/gist_id}","starred_url":"https://api.github.com/users/andreipaduroiu/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/andreipaduroiu/subscriptions","organizations_url":"https://api.github.com/users/andreipaduroiu/orgs","repos_url":"https://api.github.com/users/andreipaduroiu/repos","events_url":"https://api.github.com/users/andreipaduroiu/events{/privacy}","received_events_url":"https://api.github.com/users/andreipaduroiu/received_events","type":"User","site_admin":false},"assignees":[{"login":"andreipaduroiu","id":14354377,"avatar_url":"https://avatars1.githubusercontent.com/u/14354377?v=3","gravatar_id":"","url":"https://api.github.com/users/andreipaduroiu","html_url":"https://github.com/andreipaduroiu","followers_url":"https://api.github.com/users/andreipaduroiu/followers","following_url":"https://api.github.com/users/andreipaduroiu/following{/other_user}","gists_url":"https://api.github.com/users/andreipaduroiu/gists{/gist_id}","starred_url":"https://api.github.com/users/andreipaduroiu/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/andreipaduroiu/subscriptions","organizations_url":"https://api.github.com/users/andreipaduroiu/orgs","repos_url":"https://api.github.com/users/andreipaduroiu/repos","events_url":"https://api.github.com/users/andreipaduroiu/events{/privacy}","received_events_url":"https://api.github.com/users/andreipaduroiu/received_events","type":"User","site_admin":false}],"milestone":null,"comments":0,"created_at":"2017-04-21T10:15:35Z","updated_at":"2017-06-27T23:46:41Z","closed_at":"2017-06-27T23:46:41Z","body":"**Problem description**\r\n\r\nIn one of the platform test cluster segment container takes about 40seconds each to start up.\r\nThe logs are here: [logs.zip](https://github.com/pravega/pravega/files/946723/logs.zip)\r\nRename logs.zip to logs.tgz and open with tar -zxvf logs.tgz\r\n\r\nSnippet for container 0 startup is here:\r\n_2017-04-20 20:10:43,839 20995 [segment-store-4] INFO  c.e.p.s.s.h.ZKSegmentContainerMonitor - Starting Container 0.\r\n2017-04-20 20:10:45,636 22792 [segment-store-4] INFO  c.e.p.s.s.c.StreamSegmentContainer - SegmentContainer[0]: Starting.\r\n2017-04-20 20:11:28,039 65195 [segment-store-3] INFO  c.e.p.s.s.c.StreamSegmentContainer - SegmentContainer[0]: Started.\r\n2017-04-20 20:11:28,048 65204 [segment-store-8] INFO  c.e.p.s.s.h.ZKSegmentContainerMonitor - Container 0 has been registered._\r\n\r\n**Problem location**\r\nStreamSegmentContainer\r\n\r\n**Suggestions for an improvement**\r\nInvestigate whats taking so much time.\r\n\r\n"},"comment":{"url":"https://api.github.com/repos/pravega/pravega/issues/comments/311516896","html_url":"https://github.com/pravega/pravega/issues/1091#issuecomment-311516896","issue_url":"https://api.github.com/repos/pravega/pravega/issues/1091","id":311516896,"user":{"login":"andreipaduroiu","id":14354377,"avatar_url":"https://avatars1.githubusercontent.com/u/14354377?v=3","gravatar_id":"","url":"https://api.github.com/users/andreipaduroiu","html_url":"https://github.com/andreipaduroiu","followers_url":"https://api.github.com/users/andreipaduroiu/followers","following_url":"https://api.github.com/users/andreipaduroiu/following{/other_user}","gists_url":"https://api.github.com/users/andreipaduroiu/gists{/gist_id}","starred_url":"https://api.github.com/users/andreipaduroiu/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/andreipaduroiu/subscriptions","organizations_url":"https://api.github.com/users/andreipaduroiu/orgs","repos_url":"https://api.github.com/users/andreipaduroiu/repos","events_url":"https://api.github.com/users/andreipaduroiu/events{/privacy}","received_events_url":"https://api.github.com/users/andreipaduroiu/received_events","type":"User","site_admin":false},"created_at":"2017-06-27T23:46:41Z","updated_at":"2017-06-27T23:46:41Z","body":"I haven't seen this recently. By looking at the logs it looks like it was caused by excessive waits on HDFS during startup."}}
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